Dimeria sp. B (Salvator Rosa, R.J.Fensham 3643)

Dimeria sp. B (Salvator Rosa, R.J.Fensham 3643)

Classification. (GPWG 2001) : Subfamily Panicoideae. Andropogoneae.

Key references (books and floras): [2002] D.Sharp & B.K.Simon, AusGrass, Grasses of Australia.

Habit. Annual. Culms prostrate, 10–16 cm tall. Mid-culm nodes glabrous. Lateral branches simple. Leaf-sheaths hairy. Ligule an eciliate membrane, 0.7 mm long. Leaf-blades 1–5 cm long, 1.5–2.5 mm wide. Leaf-blade surface smooth, glabrous.

Inflorescence. Inflorescence digitate, with spicate branches.

Spikelets. Spikelets pedicelled. Fertile spikelets 2-flowered, the lower floret barren (rarely male), the upper fertile, comprising 1 fertile floret(s), without rachilla extension, linear or elliptic, laterally compressed, 4–4.5 mm long.

Glumes. Glumes dissimilar, firmer than fertile lemma. Lower glume linear, coriaceous, keeled, 1-keeled, 1 -nerved. Upper glume lanceolate, coriaceous, keeled, 1 -nerved. Florets. Basal sterile florets 1, barren, without significant palea. Lemma of lower sterile floret hyaline.

Fertile lemma 2.5 mm long, without keel, 1 -nerved. Lemma apex lobed, awned. Median (principal) awn 3 mm long overall, without a column. Palea absent. Grain 2 mm long.

Continental Distribution: Australasia.

Australian Distribution: Queensland.

Queensland: Leichhardt.

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith